Keaveny, Mac Géibheannaigh, ó Géibheannaigh Mac Géibheannaigh, from Géibheannach meaning ‘fettered, prisoner’ originally a sept of Fermanagh. ó Géibheannaigh from the same, a sept of the Uí Mhaine in Galway. In 1890 Keaveny was principally found in Galway and Sligo, and the estimated number of bearers was 1,480.